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Finding the Fourth Proportional to 504,433.82, 696,126.40 and 274,991.24

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Solution

The fourth proportional to 504,433.82, 696,126.40 and 274,991.24 is: 379,492.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,433.82 : 696,126.40 = 274,991.24 : x
  2. Step 2: Convert to fraction form
    504,433.82/696,126.40 = 274,991.24/x
  3. Step 3: Cross multiply
    504,433.82x = 696,126.40 × 274,991.24
  4. Step 4: Simplify right side
    504,433.82x = 191,428,661,932.74
  5. Step 5: Solve for x
    x = 191,428,661,932.74/504,433.82
  6. Step 6: Final answer
    x = 379,492.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.